Prefix overview
Phone numbers in prefix 336-450
This page covers the 336-450 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
336-450
RATE CENTER
GREENSBORO
CARRIER
XO NORTH CAROLINA, INC.
NC
Prefix range
The prefix 336-450 includes numbers from 3364500000 to 3364509999.
This range is associated with the GREENSBORO rate center and was originally assigned to XO NORTH CAROLINA, INC..
Numbers in this prefix
20 numbers